I use an eye dropper (rubber top) to mix DMSO/CS.  Trick is to squirt out all 
the DMSO before putting it back in the bottle.  If you don't dump out the 
DMSO the rubber eyedropper top melts.  My eyedroppers last for several years 
this 
way.  I use the same eyedropper for H2O2 also.
Brickey